Radiation-curable aqueous coating materials with a matt efect

Details Radiation-curable aqueous coating materials with a matt efect Radiation-curable aqueous coating materials with a matt efect

C - Chemistry, Metallurgy

09

D

C09D 4/00 (2006.01) C08J 3/28 (2006.01) C09D 5/02 (2006.01) C09D 7/12 (2006.01) C09D 171/02 (2006.01)

Patent

CA 2239310

The invention relates to radiation-hardened aqueous matt paints containing the following: (a) 40-85 wt % at least one water-compatible binder containing at least two ethylenically unsaturated groups; (b) 1-20 wt % at least one matting agent; (c) 5-40 wt % water which can if necessary contain an acid as neutralising agent; (d) 0-25 wt % further fillers and/or pigments; (e) 0-6 wt % a UV photoinitiator; and (f) 0-15 wt % further auxiliary agents and/or additives. Also covered are processes for producing the claimed paints and the use of said paints for coating glass, wood, paper and plastic.

L'invention concerne des peintures aqueuses à durcissement par irradiation, avec effet mat, contenant: (a) 40 à 85 % en poids d'au moins un liant compatible avec l'eau, contenant au moins deux groupes éthyléniquement insaturés, (b) 1 à 20 % en poids d'au moins un agent de matité, (c) 5 à 40 % en poids d'eau contenant éventuellement un acide comme neutralisant, (d) 0 à 25 % en poids d'autres matières de charge et/ou de pigments, (e) 0 à 6 % en poids de photoinitiateurs pour l'application d'UV ainsi que (f) 0 à 15 % en poids d'autres auxiliaires et/ou additifs. L'invention concerne également des procédés de production des peintures selon l'invention ainsi que l'utilisation desdites peintures pour recouvrir le verre, le bois, le papier et le plastique.

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